Enhanced Reliability: Features enclosed snap-action contacts and a dust cover

this mechanical countdown switch fits seamlessly into a standard 2-1/2 inch deep vertical junction box

Selecting the correct York S1-326-49687-000 ensures the drive train maintains its mechanical integrity under high-static conditions

preventing sensor drift and ensuring the control system receives precise data

Precision engineering allows for consistent voltage regulation in demand-heavy environments

Lennox 69W43 Flame Sensor Enhanced Reliability: Features enclosed snap-actionThe Lennox 69W43 Flame Sensor is a critical OEM safety component engineered for precise flame rectification within gas furnace burner assemblies. As a direct 69W4301 replacement part, this sensor features a high grade stainless steel sensing rod capable of withstanding operating temperatures up to 2190F, paired with a durable ceramic insulator rated for 1000F. When the furnace control board initiates the ignition sequence, the 69W43 detects the